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Just set all accounts to use the same, preferred SMTP server definition. Do that under Tools-&gt;Account Settings-&gt;choose the definition from the drop down &quot;Outgoing server&quot; selector.
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Just set all accounts to use the same, preferred SMTP server definition. Do that under Tools->Account Settings->choose the definition from the drop down "Outgoing server" selector.

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Configure every account with the same SMTP information with the account you want to use as the outgoing.
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Configure every account with the same SMTP information with the account you want to use as the outgoing.

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I figured it was something like that. &nbsp;Can you give me any more details as to where &amp;&nbsp;how?<br />
<br />
thanks
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I figured it was something like that.  Can you give me any more details as to where & how?

thanks

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A little confusing, but it worked. &nbsp;Thanks!
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A little confusing, but it worked.  Thanks!

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I would like to make all my messages from Thunderbird on my Mac use the same outgoing email address, not the address for the account currently selected or the email address used by the person I'm responding to.<br />
<br />
Thanks!
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I would like to make all my messages from Thunderbird on my Mac use the same outgoing email address, not the address for the account currently selected or the email address used by the person I'm responding to.

Thanks!

How do you force Thunderbird to use only one outgoing email address?

Thunderbird is an email, newsgroup, news feed, and chat (XMPP, IRC, Twitter) client that supports POP and IMAP and LDAP address completion. The vanilla version is not a personal information manager, although the Mozilla Lightning extension adds PIM functionality. Thunderbird can manage multiple email, newsgroup, and news feed accounts and supports multiple identities within accounts. Features such as quick search, saved search folders, advanced message filtering, message grouping, and labels help manage and find messages. Thunderbird incorporates a Bayesian spam filter, a whitelist based on the included address book, and can also understand classifications by server-based filters such as SpamAssassin. Extensions allow the addition of features.